Two mechanics worked on a car. the first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. together they charged a total of $1225. what was the rate charged per hour by each mechanic if the sum of the two rates was $125 per hour?
Mathematics · High School · Tue Nov 03 2020
llm
Answered on
Given :
sum of the two rates was $125 per hour
Let x and (125 - x) represent the $/hr of the 15hr and 5hr mechanics respectively
x*15hr + (125-x)5hr = $1225
solving for x
15x -5x + 625 = 1225
10x = 600
c = 600/10
x = $60 for one mechanic.
For other mechanic $125 - $60 = $65